Home / Products / O2 Western Regulator SKU: 692 Categories: Medical Equipment, Uncategorized Tag: Ambulance Parts Description Description 50 PSI, M1-540-P – Oxygen regulator w/ gauge Related products ’19-Current Transit Front Grill Guard View Part 12VDC to 120 VAC Inverter View Part Hot Water Solenoid View Part Whelen H35DSN12 35W Dual Filament Halogen Bulb View Part